source= http://www.piclist.com/postbot.asp?id=piclist\2003\01\08\154328a

>  Most plotters need a guide-ring on the
>  penns to insure correct grasp each
>  time.  To add this I simply make a copper
>  ting out of the core of a PR cable.

I've asked the electricians at work and nobody
knows what PR cable is.  Can you give me any
more clues?  Thanks.


---
David  Scott
http://www.piclist.com/member/DS-sss-C40
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